JPS6230826Y2 - - Google Patents

Info

Publication number
JPS6230826Y2
JPS6230826Y2 JP19918182U JP19918182U JPS6230826Y2 JP S6230826 Y2 JPS6230826 Y2 JP S6230826Y2 JP 19918182 U JP19918182 U JP 19918182U JP 19918182 U JP19918182 U JP 19918182U JP S6230826 Y2 JPS6230826 Y2 JP S6230826Y2
Authority
JP
Japan
Prior art keywords
work
platform
link
work platform
idle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP19918182U
Other languages
Japanese (ja)
Other versions
JPS59102446U (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP19918182U priority Critical patent/JPS59102446U/en
Publication of JPS59102446U publication Critical patent/JPS59102446U/en
Application granted granted Critical
Publication of JPS6230826Y2 publication Critical patent/JPS6230826Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Harvesting Machines For Specific Crops (AREA)
  • Steering Controls (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、果樹園等において使用される昇降式
作業台車の伸縮操作装置に関するものである。
[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a telescoping operation device for an elevating work trolley used in orchards and the like.

〔従来の技術〕[Conventional technology]

この種の作業台車として、走行台車に昇降リン
クを介して昇降可能な作業台を設けたものが知ら
れている。
As this type of work platform, one in which a traveling platform is provided with a work platform that can be raised and lowered via a lifting link is known.

〔考案が解決しようとする問題点〕[Problem that the invention attempts to solve]

上記のような作業台車においては、走行台車の
制御を、昇降可能な作業台上で行うには、油圧制
御とか電気的制御で行なうなど機構的に制約があ
つた。
In the above-mentioned work platform, there are mechanical limitations such as hydraulic control or electrical control in order to control the traveling platform on a work platform that can be raised and lowered.

〔問題点を解決するための手段〕[Means for solving problems]

そこで本考案は、油圧制御、電気的制御等を用
いることなく、昇降可能の作業台上から作業台車
の制御部を操作できる簡単な機械的機構を提供す
ることを目的とする。
SUMMARY OF THE INVENTION An object of the present invention is to provide a simple mechanical mechanism that allows the control section of a work trolley to be operated from a work platform that can be raised and lowered without using hydraulic control, electrical control, or the like.

この目的のため本考案は、前記作業台上に走行
台車の制御部を設け、この制御部は、前記昇降リ
ンクの複数の名枢支部に、これら各枢支部と同軸
に回動自在に枢支されるアイドルアームと、これ
らアイドルアームの相対向するもの間をアイドル
アームが揺動可能となるよう平行リンク状に連繋
した揺動連結杆とを介して作業台車の作動部に連
繋されていることを特徴とするものである。
For this purpose, the present invention provides a control unit for the traveling carriage on the workbench, and this control unit is rotatably supported on a plurality of pivot parts of the lifting link coaxially with each of these pivot parts. be connected to the actuating part of the work trolley via an idler arm connected to the idler arm and a swinging connecting rod connected in a parallel link so that the idler arm can swing between the opposing idler arms. It is characterized by:

〔実施例〕〔Example〕

以下、図示の実施例を参照して本考案を説明す
る。
The present invention will now be described with reference to the illustrated embodiments.

第1図ないし第3図において、符号1は走行台
車の車体で、この車体1には、前部に左右一対の
前輪2、後部に左右一対の後輪3をそれぞれ装備
し、前輪2と後輪3との間の車体下部にエンジン
4を搭載している。エンジン4の近傍には油圧装
置5、変速装置6等が設けられ、これらにエンジ
ン4から動力が伝達されると共に、変速装置6か
ら後輪3に動力が伝達されて走行台車が走行する
ようになつている。
In Figures 1 to 3, reference numeral 1 denotes the body of a running bogie, and this body 1 is equipped with a pair of left and right front wheels 2 at the front and a pair of left and right rear wheels 3 at the rear. An engine 4 is mounted at the bottom of the vehicle body between the wheels 3. A hydraulic system 5, a transmission 6, etc. are provided near the engine 4, and power is transmitted from the engine 4 to these, and power is also transmitted from the transmission 6 to the rear wheels 3 so that the traveling bogie runs. It's summery.

車体1の上側には作業台7が、側面視X状に交
差し、その交点を枢着した左右一対のリンク部材
からなる昇降リンク8によつて支持され、この昇
降リンク8の交点を枢支した枢支部材9に、車体
1の幅方向中央部に設けた油圧シリンダ10が連
繋されていて、その伸縮により昇降するようにな
つている。昇降リンク8は、前端下部が枢支部8
aを介して車体1の前部に、また前端上部が枢支
部8bを介して作業台7の前部にそれぞれ枢着さ
れ、後端下部が車体1の後部に、また後端上部が
作業台7の後部にそれぞれ前後方向に摺動可能に
支持されている。
A workbench 7 is supported on the upper side of the vehicle body 1 by lifting links 8 consisting of a pair of left and right link members that intersect in an X shape when viewed from the side, and the intersections of these links are pivoted. A hydraulic cylinder 10 provided at the center in the width direction of the vehicle body 1 is connected to the pivot member 9, and is moved up and down by the expansion and contraction of the hydraulic cylinder 10. The lower part of the front end of the elevating link 8 is the pivot portion 8
The upper part of the front end is pivotally connected to the front part of the vehicle body 1 via a, and the upper part of the front end is pivotally connected to the front part of the workbench 7 through the pivot part 8b. 7, respectively, so as to be slidable in the front and rear directions.

作業台7の前端部中央位置には支持部材11が
立設され、この支持部材11に操縦ハンドル杆1
2および運転座席13が支持されている。操縦ハ
ンドル杆12は、その下部を車体1の下部まで突
出していて操向部14に連繋させており、前輪2
を操向操作するようになつている。また、操縦ハ
ンドル杆12は、下部で操向部14に連繋するス
プライン軸15と、このスプライン軸15の外周
にスプライン嵌合し上端にハンドルを固定したス
プライン支持筒16とから構成されていて、この
スプライン支持筒16を前記支持部材11と共に
上下動するように支持することにより、作業台7
の昇降に伴なつてスプライン支持筒16が上下に
摺動し、操縦ハンドル杆12が伸縮するようにな
つている。さらに支持部材11には、図示省略し
たが前記油圧装置5等を操作する制御部が設けら
れ、この制御部は、昇降リンク8に沿つて設けた
リンク機構を介して油圧装置5の制御機構に連結
されている。また、作業台7には、その幅方向左
右両方に引出し、収納可能な多数の足場台17が
設けられている。
A support member 11 is erected at the center of the front end of the workbench 7, and a control handle rod 1 is attached to this support member 11.
2 and a driver's seat 13 are supported. The steering handle rod 12 has its lower part protruding to the lower part of the vehicle body 1 and is connected to the steering section 14, and is connected to the steering wheel 2
It is now possible to operate the steering wheel. Further, the steering handle rod 12 is composed of a spline shaft 15 connected to the steering section 14 at the lower part, and a spline support cylinder 16 that is spline-fitted to the outer periphery of the spline shaft 15 and has the handle fixed to the upper end. By supporting this spline support cylinder 16 so as to move up and down together with the support member 11, the workbench 7
As the vehicle moves up and down, the spline support cylinder 16 slides up and down, and the control handle rod 12 expands and contracts. Further, the support member 11 is provided with a control section that operates the hydraulic device 5 etc., although not shown in the drawings, and this control section is connected to the control mechanism of the hydraulic device 5 via a link mechanism provided along the elevating link 8. connected. Further, the workbench 7 is provided with a large number of scaffolding platforms 17 that can be pulled out and stored on both the left and right sides in the width direction.

前記昇降リンク8に沿つて設けられるリンク機
構18は、第4図に詳細に示すように、昇降リン
ク8の枢支部8a,8bおよび枢支部材9の各側
部に扇形をしたアイドルアーム19,20,21
を同軸に回動自在に枢着し、これらアイドルアー
ム19,20,21にはそれぞれ2個ずつの枢支
ピン19a,19b,20a,20b,21a,
21bを具備している。枢支ピン19aと20a
間に第1の揺動連結杆22が、枢支ピン20bと
21a間に第2の揺動連結杆23が、枢支ピン2
1bには第3の揺動連結杆24がそれぞれ平行リ
ンク状に連繋され、揺動連結杆24の他端は油圧
トランスミツシヨン制御レバー25に連繋されて
おり、また、枢支ピン19bは、作業台7上の制
御部に連繋されている。
As shown in detail in FIG. 4, the link mechanism 18 provided along the elevating link 8 includes fan-shaped idle arms 19 on each side of the pivot parts 8a, 8b and the pivot member 9 of the elevating link 8. 20, 21
These idle arms 19, 20, 21 have two pivot pins 19a, 19b, 20a, 20b, 21a, respectively.
21b. Pivot pins 19a and 20a
A first swing connecting rod 22 is provided between the pivot pins 20b and 21a, and a second swing connecting rod 23 is provided between the pivot pins 20b and 21a.
1b, a third swinging connecting rod 24 is connected in a parallel link shape, the other end of the swinging connecting rod 24 is connected to a hydraulic transmission control lever 25, and the pivot pin 19b is It is linked to a control section on the workbench 7.

そして、制御部を操作すると、昇降リンク8の
伸縮、即ち、作業台7の昇降の如何にかかわらず
各アイドルアーム19,20,21および第1〜
第3の揺動連結杆22,23,24で形成された
平行リンクを介して油圧トランスミツシヨンの制
御レバー25を作動させ得るように構成されてい
る。
When the control unit is operated, each idle arm 19, 20, 21 and the first to
A control lever 25 of the hydraulic transmission can be actuated via a parallel link formed by the third pivoting link 22, 23, 24.

このように構成された作業台車は、路上走行時
には作業台7を下降させて車体1上に着座させた
状態で走行させ、作業台7上に荷物を積んで運搬
作業に用いられる。作業台車を果樹園等に導入し
て、例えば果樹の高所になつている果実を収穫す
るような場合は、操縦ハンドル杆12近傍の制御
部を操作することによつて、油圧シリンダ10を
伸長させて昇降リンク8を介して作業台7が上昇
し、所望の高さに停止させ作業台7上で、また必
要に応じて足場台17を引出してその上で収穫作
業を行う。
When traveling on the road, the work trolley configured in this manner is driven with the work platform 7 lowered and seated on the vehicle body 1, and cargo is loaded onto the work platform 7 for transportation work. When the work trolley is introduced into an orchard or the like to harvest fruits that are grown high on fruit trees, for example, the hydraulic cylinder 10 can be extended by operating the control section near the steering handle rod 12. Then, the work platform 7 is raised via the elevating link 8, stopped at a desired height, and the harvesting work is performed on the work platform 7 or, if necessary, by pulling out the scaffolding platform 17.

作業台7の昇降操作および作業台車の走行操向
操作は、すべて作業台7上で行えるので、一人の
作業者で十分に操作できて、能率的かつ機能的な
作業が行われる。また、操縦ハンドル杆12に
は、作業台7の上昇によつてスプライン軸15に
沿つてスプライン支持筒16が上下動し、作業台
7の伸縮する任意の高さで操向操作が行える。
The lifting and lowering operations of the workbench 7 and the driving and steering operations of the workbench can all be performed on the workbench 7, so that a single worker can perform the operations sufficiently, resulting in efficient and functional work. Further, a spline support cylinder 16 of the steering handle rod 12 moves up and down along the spline shaft 15 as the workbench 7 rises, allowing steering operations to be performed at any desired height as the workbench 7 expands and contracts.

〔考案の効果〕[Effect of idea]

以上説明したように本考案の昇降式作業台車の
伸縮操作装置によれば、作業台上に制御部を設
け、この制御部と作業台車の作動部との間に、作
業台を昇降させるリンクの枢支部に同軸に回動自
在に枢支したアイドルアームと、アイドルアーム
間をアイドルアームを回動するよう平行リンク状
に連繋した揺動連結杆により構成したので、電気
的制御または油圧制御によることなく機械的に、
また、作業台の昇降の如何にかかわらず作業台上
から作業台車の作動部を制御して能率よい作業が
実施できる。しかも、その構成は簡単で確実に操
作でき、コストダウンを図ることができる。
As explained above, according to the telescopic operation device for the lifting work platform of the present invention, a control unit is provided on the work platform, and between this control unit and the operating unit of the work platform, an idle arm is pivotally supported coaxially on the pivot of the link that raises and lowers the work platform, and a swinging connecting rod is connected between the idle arms in the form of a parallel link so as to rotate the idle arm. Therefore, the telescopic operation device can be mechanically controlled without electrical or hydraulic control.
In addition, the operation of the work platform can be controlled from the work platform regardless of whether the platform is raised or lowered, allowing efficient operation. Moreover, the structure is simple and can be operated reliably, leading to cost reduction.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の実施例を示す作業台車全体の
側面図、第2図は同平面図、第3図は同正面図、
第4図は伸縮操作装置の側面図である。 1……車体、2……前輪、3……後輪、4……
エンジン、5……油圧装置、6……変速装置、7
……作業台、8……昇降リンク、8a,8b……
枢支部、9……枢支部材、10……油圧シリン
ダ、11……支持部材、12……操縦ハンドル
杆、13……運転座席、14……操向部、15…
…スプライン軸、16……スプライン支持筒、1
7……足場台、18……リンク機構、19,2
0,21……アイドルアーム、19a,19b,
20a,20b,21a,21b……枢支ピン、
22,23,24……第1〜第3の揺動連結杆、
25……油圧トランスミツシヨンの制御レバー。
Fig. 1 is a side view of the entire work cart showing an embodiment of the present invention, Fig. 2 is a plan view of the same, Fig. 3 is a front view of the same,
FIG. 4 is a side view of the telescopic operating device. 1...Vehicle body, 2...Front wheel, 3...Rear wheel, 4...
Engine, 5... Hydraulic system, 6... Transmission, 7
...Workbench, 8...Elevating links, 8a, 8b...
Pivotal support, 9... Pivotal support member, 10... Hydraulic cylinder, 11... Support member, 12... Steering handle rod, 13... Driver seat, 14... Steering unit, 15...
... Spline shaft, 16 ... Spline support cylinder, 1
7...Scaffolding platform, 18...Link mechanism, 19,2
0, 21...Idle arm, 19a, 19b,
20a, 20b, 21a, 21b... pivot pin,
22, 23, 24...first to third swing connecting rods,
25... Hydraulic transmission control lever.

Claims (1)

【実用新案登録請求の範囲】 走行台車に昇降リンクを介して昇降可能な作業
台を設けた昇降式作業台車において、 前記作業台上に走行台車の制御部を設け、この
制御部は、前記昇降リンクの複数の各枢支部に、
これら各枢支部と同軸に回動自在に枢支されるア
イドルアームと、これらアイドルアームの相対向
するもの間をアイドルアームが揺動可能となるよ
う平行リンク状に連繋した揺動連結杆とを介して
作業台車の作動部に連繋されていることを特徴と
する昇降式作業台車の伸縮操作装置。
[Scope of Claim for Utility Model Registration] In an elevating work platform in which a traveling platform is provided with a work platform that can be raised and lowered via an elevator link, a control unit for the traveling platform is provided on the work platform, and this control unit For each of the multiple cardinal branches of the link,
An idle arm rotatably supported on the same axis as each of these pivot parts, and a swinging connecting rod connected in a parallel link shape so that the idle arm can swing between the opposing parts of these idle arms. A telescoping operating device for an elevating work trolley, characterized in that the device is connected to an operating part of the work trolley via a telescopic device.
JP19918182U 1982-12-22 1982-12-22 Telescoping operation device for elevating work carts Granted JPS59102446U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19918182U JPS59102446U (en) 1982-12-22 1982-12-22 Telescoping operation device for elevating work carts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19918182U JPS59102446U (en) 1982-12-22 1982-12-22 Telescoping operation device for elevating work carts

Publications (2)

Publication Number Publication Date
JPS59102446U JPS59102446U (en) 1984-07-10
JPS6230826Y2 true JPS6230826Y2 (en) 1987-08-07

Family

ID=30424730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19918182U Granted JPS59102446U (en) 1982-12-22 1982-12-22 Telescoping operation device for elevating work carts

Country Status (1)

Country Link
JP (1) JPS59102446U (en)

Also Published As

Publication number Publication date
JPS59102446U (en) 1984-07-10

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